Mains



(No Model.)

W. s. PAYNE.

DEVICE FOR TAPPING MAINS.

No. 351,397. Patented Oct. 26, 1886.

'Wdweooao N PETERS PholwLilnographcr. Washington. ac.

UNTTnn STATES ATENT Fries.

\VALTER SETH PAYNE, OF FOSTORIA, OHIO, ASSIGNOR TO \VAL'IER S. PAYNE &(30., OF SAME PLAOF.

DEVICE FOR TAPPING MAINS.

SPECIFICATION forming part of Letters Patent No. 351,397, dated October26, 1886.

Application filed June 23, 1856.

To all whom it may concern.-

Be it known that I, WALTER SETH PAYNE, a citizen of the United States,residing at Fostoria, in the county of Seneca and State of Ohio, haveinvented a new and useful Improvement in Devices for Tapping Mains, ofwhich the following isa specification.

My invention relates to llIlPtOVQlIlClllS in devices for tapping mains;and it consists of the peculiar combination and novel construction andarrangement of the various parts for service, substantially ashereinafter .t'ully de scribed, and particularly pointed out in theclaims.

My invention is especially designed as an improvement in that class ofdevices for tapping dry mains known to the art as crows, and the primaryobject of my invention is to provide an improved device for tappingmains which are relieved of the pressure of the water or other liquid,or gas-pipes with small pressure, which shall be verylight and simple inconstruction, so that it can be easily and conveniently carried ortransported.

A further object of my invention is to pro vide improved means which canbe readily and quickly adjusted or titted upon saddles of differentsizes to operate or tap mains ot'ditferent diameters, and which shallalso provide a support and guide for the drill-shank and effectivelyhold it in place when drilling or centering, all as presently described.

In the accompanying drawings, which illustrate a device for tappingmains embodying myinvention, Figure l is a perspective View of thedevice adjusted for use upon a main. Fig. 2 is a vertical centralsectional view through the saddle, the carrier and guide, and the yokewith the feed-screw detached from the main. Fig. 3 is an enlargedperspective view of the carrier detached from the saddle and yoke.Referring to the drawings, in which like letters of reference denotecorrcspondi ng parts in all the figures, A designates the main or pipeupon which my improved tapping device or machine is to be adjusted foruse to drill and'tap a hole therein, so that branch pipes can beconnected with the main.

B designates the saddle, which has its inner face curved to correspondto the outer con Serial No. fZFlLdl-l. (No model.)

vexity' or curvature of the main or pipe upon which it is to be fitted.These saddles are to be provided or furnished with the machines in setsof dii't'erent sizes, so that they can be adapted for use upon mains ofdifferent diameters, and at their ends the saddles are pro vided withbracketlugs O, which have transverse slots '0, through which are passedthe evebolts O, that have the nuts 0 and the chain C connectedtherewith. The nuts bear on the bracket-lugs, and the chain passesaround the main, so that by lengthening or shortening the chain thedevice can be adjusted upon mains of different diameters. The saddle isfurther provided with a central opening, (2, for the free passagetherethrough ot' the drill, and around this opening is formed aprojecting rib or flange, (2, that is arranged a short distance from theedges of the openingto form a seat or ring, (1, the flange (1 beinginteriorly threaded, as shown.v

E designates the carrier, which is cast or formed in a single piece ofmetal for strength and durability in the construction and cheapness ofmanufacture. This carrier consists, essentially, of the parallelstandards (2, which are arranged a short distance from each other, anannulus or ring, 6, at the lower ends of the parallel standards, whichhas its outer periphery eXteriorly threaded, and an annular ledge orflange, e", at its upper edge, and a neck, 6, at the opposite upper endsof the vertical standards. The neck is formed or cast solidly and has acentral longitudinal opening or passage,f, the length or longitudinalaxis of the opening greatly exceeding the diameter of the passage-say bytwo and one-half or three times so that an extended bearing-surface orguide is provided for the drill G, which passes through the said passageand is guided therein, whereby the drill is steadied and rendered veryfirm. The neck 0 is rounded or curved on its upper surface to impartaneat finish thereto, and the neck is provided at its upper extremitywith an annular flange orledge, f, for a purpose presently described.

By forming the carrier in a single piece of metal with the annulus orring. the arms or standards, and the neck, I provide means which arevery simple, strong, and durable in construction, as well as light andportable, and cheap. ThediameterofthedrillGisalittleless than thediameter of the longitudinal passage of the carrier, so that the drillfits snugly and closely in the passage, while at the same time it isfree to have the requisite longitudinal 5 movement in feeding itforward, and to be rotated under the action of a lever, H, and ratchetmechanism, which, however,-does not forma part of this invention, and Ihave therefore not deemed it necessary to describe the re same morefully herein.

I designates the yoke, which has a contracted lower end that is in theform of an annulus or ring, z, with a slot to separate or divide thering, and the ring has an inward- I 5 ly-projeeting flange, j, that isadapted to take under the flange of the carrier at the neck thereof whenthe apparatus is adjusted for use. The upper end of the yoke has acentral threaded opening or bearing, k, therein,

through which Works a feed-screW,1K, which has a hand-wheel or handle,k,-at one end, and is pointed at its opposite lower end. The hand-wheelprovides convenient means for rotating the screw to feed the drillforward, and

the pointed end of the drill fits in a countersunk portion or recess inthe head of the 'drill -shank, so that the screw is retained in contactwith the drill. The drill is provided with the tapered and threaded end,as at g,

which has the longitudinal recesses or cut-out portions 9, the extremepoint of the drill being pointed and cut to provide the spiral or,inclined cutting-edges which act upon the work. When the drill is inoperation,the

5 pointed end thereof first enters the metal or pipe to form the hole oropening, and the longitudinal channels or grooves conduct the cuttingsaway from the hole or permit the escape thereof. WVhen the threadedportion of the 0 drill enters the hole or openings cut by the point, thesides of the hole are threaded or tapped, as will be readily understood,and as the point of the drill is tapered,it will readily tap holes ofdifferent diameters.

This being the construction of my invention, the operation thereof is asfollows: The sad- I dle of proper size is first fitted upon the main andadjusted thereto so as to fit snugly, after which the chain is passedaround the pipe or main and connected with the eyebolts of the saddle.The carrier is now fitted 6n the saddle and secured rigidly thereto byscrewing the annulus or ring into the interiorly-threaded flange of thesaddle until the flange of the annulus rests on the upper edge of thesaddle-flange, and the lower edge of the ring bears upon the ledge orseat 6?, thereby providing a firm and secure support for the carrier.The drill having been. first fitted in the neck of the carrier andadjusted so that the pointed end thereof bears on the work or main, theyoke is now applied to the carrier and adjusted so that the flanges fand j are in contact with each other, and the screw K 6 is turned untilthe pointed end thereof takes into the recess of the drill to feed thelatter forward. The lever H is turned by hand in the usual manner torotate the drill, which is fed forward by the screw at the proper rateuntil the hole or opening of proper size has been cut in the main, afterwhich the yoke and screw can be detached from the*carrier and the leverH swung clear around to give increased power to the lever and effect theoperation of boring and tapping more quickly. After the threaded portionof the drill enters the hole or opening formed by the cutting-edges ofthe drill the hole is interiorly threaded or tapped, as will be readilyunderstood.

My invention is simple and strong in construction, cheap and inexpensiveof manu-. facture, and light,so that it can be conveniently carried ortransported.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is-

1. In a device for tapping mains, the combination of a saddle, a carrierdetachably connected to the saddle and comprising the integral uprightse, and the neck 6, having the longitudinal passage, a drill fittedloosely in the passage to rotate and move longitudinally freely therein,a yoke connected to the carrier, and a feed screw fitted in the yoke andbearing on the drill, the parts being constructed substantially asdescribed, for the purpose set forth.

2. In a device carrier detachably. connected to the saddle andcomprising the parallel uprights e, and the neck 6 formed of a singlepiece, the drill having a smooth exterior surface and fitted loosely ina longitudinal passage, f, of the carrier to rotate and movelongitudinally therein, and provided with the conical threaded lower endand the longitudinal passages g in the periphery of said threaded end,ayoke connected to the carrier, and a feed-screw fitted in the yoke andbearing on the drill, the

parts being constructed substantially as described, for the-purpose setforth.

3. In a device for tapping mains, the combination of a saddle having thethreaded ring, a carrier formed of a single piece and comprising athreaded ring to be connected with the saddle, the arms or standards,and the neck having the longitudinal passage, the yoke having a dividedring fitted on the neck of the carrier and carrying the feed-screw, thedrill fitted in the passage of the carrier-neck and having its lower endtapered and threaded, said lower end of the drill being further providedwith the inclined cutting-edges and the longitudinal channels,substantially as described, for the purpose set forth.

In testimony that I claim the foregoing as for tapping mains, thecombination of a saddle having an opening, d, a

IIO

my own I have hereto affixed my signature in G. G. SILL, WM. J AEGER.

